The 2013 Jaguar XF and Jaguar XJ will get new engines, a new transmission and enhanced interior technology when they arrive in Australia in October.
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Headlining the 2013 updates is the introduction of Jaguar’s new supercharged 3.0-litre V6 petrol engine, which debuts in the luxury XJ limousine and the smaller XF before slotting into the F-Type sports car in the second half of next year.

The new supercharged unit generates 250kW of power (at 6500rpm) and 450Nm of torque (3500-5000rpm). Both models launch from 0-100km/h in 5.9 seconds with the V6 under the bonnet and return an identical combined cycle fuel consumption rating of 9.4 litres per 100km.

The supercharged V6 sits alongside the naturally aspirated 283kW/515Nm 5.0-litre V8 in the XJ line-up and replaces it altogether in the XF range.

Also new is the 2.0-litre four-cylinder turbocharged petrol engine, which is the same engine found in the Range Rover Evoque and similar to the ‘EcoBoost’ engine used by the Ford Falcon. Jaguar’s version produces 177kW of power (at 5500rpm) and 340Nm of torque (2000-4000rpm).

Although it will be available in the XJ overseas, Jaguar Australia will only bring the 2.0-litre turbo here in the XF. The new entry-level model accelerates from 0-100km/h in 7.9 seconds and consumes 8.9L/100km combined.

All upgraded XF and XJ models will benefit from ZF’s eight-speed automatic transmission, which was previously only available in the diesel variants of the XF. Jaguar says the new auto leads to better economy, reduced emissions and smoother acceleration compared with the old six-speed shifter.

All models, except those with the four-cylinder petrol engine, implement stop-start technology to further enhance efficiency.

The 2013 XJ benefits from recalibrated spring and damper tunes and remapped damper software, which the manufacturer says results in enhanced ride isolation and improved passenger comfort.

The 2013 model year also sees the introduction of the Jaguar XF Sportbrake wagon variant. The diesel-only model will be sold in Australia as a ‘retail-order only’ model, which means Jaguar will import it when ordered by customers but will not have extra stock sitting in showrooms.

Jaguar’s expanded partnership with UK-based Meridian brings two new audio systems to the line-ups. A 380-watt system will feed 11 speakers in XF and 15 in the XJ, while the high-performance 825-watt surround sound system is linked to 17 and 20 speakers respectively.

Upgrades to the satellite navigation system adds ‘Eco Route’ and ‘Dynamic Zoom’ functions, which offer suggestions for more efficient drive routes and provide extra detail at complicated map points.

Sales of the Jaguar XJ have fallen 41 per cent in Australia so far this year, matching the average decline in the $100,000-plus upper large segment. With 23 sales, the big cat trails the Mercedes-Benz S-Class (45), Porsche Panamera (38) and the Audi A8 (37), but heads the soon-to-be-updated BMW 7-Series (19).

Jaguar XF sales are up 34 per cent this year, climbing from 220 sales in the first five months of 2011 to 294 in 2012. The XF trails the Mercedes-Benz E-Class (670), BMW 5-Series (440) and the Audi A6 (303) in the $70,000-plus large segment.